Module 5: Disk-based Index Structures
  Lecture 18: General Framework
 

                                           

 

 

Exact match query or point query
  • Query point
 
  • Start with level 0
 
  • At level , determine if is in object
 
  • If no, return
 
  • If yes, recurse for all child objects in
  • Example
 
  • is in , so recurse
 
  • not in , , but in
 
  • Proceed search to
  • May follow multiple paths when objects are non-disjoint
  • May end up doing more work than sequential scan